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Other Balance Sheet Accounts (Tables)

12 Months Ended

Dec. 31, 2012

Other Balance Sheet Accounts [Abstract]


	2012			2011
Equipment	$	19,660		$	19,147
Leasehold improvements		7,992			7,992

		27,652			27,139
Less accumulated depreciation and amortization		(22,368	)		(20,913	)

	$	5,284		$	6,226

Summary of Intangible assets


	2012			2011
Licensed technology rights	$	4,015		$	4,015
Patent application costs		6,420			6,093

		10,435			10,108
Accumulated amortization licensed technology rights		(3,931	)		(3,906	)
Accumulated amortization patent costs		(3,691	)		(3,331	)

	$	2,813		$	2,871

Summary of accounts payable and accrued expenses


	2012		2011
Employee compensation	$	3,858	$	3,653
Clinical trial accruals		660		1,681
Accounts payable		377		351
Deferred rent		307		247
Other accrued liabilities		427		430

	$	5,629	$	6,362

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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